#39957E

Closest named color: Ocean Green (#3D9973). oklch(60.8% 0.094 173.7), rgb(57, 149, 126).

Aa

Black text reads best on this color (5.77:1).

About this color

#39957E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.094 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.023 away. Black text reads best on it, at 5.77:1.

Hue familyTeals and cyans
Lightnessmedium-dark (61%)
Chromamoderately saturated (0.094)
Temperaturecool
Nearest nameOcean Green (#3D9973)
Black text5.77:1
White text3.63:1

Values

HEX#39957E
RGBrgb(57, 149, 126)
HSLhsl(165, 45%, 40%)
OKLCHoklch(60.8% 0.094 173.7)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #39957E 3.63:1 AA large text Lc -69.2 Content text, not long reading
Black text on #39957E 5.77:1 AA Lc 40.4 Non-text elements, placeholder text
#39957E text on white 3.63:1 AA large text Lc 63.7 Content text, not long reading
#39957E text on black 5.77:1 AA Lc -38.0 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

  1. Step 50

    50

    #F1F7F5

    oklch(97.1% 0.007 174.4)

  2. Step 100

    100

    #E1EDE9

    oklch(93.6% 0.014 174.2)

  3. Step 200

    200

    #C9DFD8

    oklch(88.5% 0.025 174.7)

  4. Step 300

    300

    #A3CBBE

    oklch(81% 0.046 173.3)

  5. Step 400

    400

    #6EB09D

    oklch(70.7% 0.073 173.9)

  6. Step 500

    500 (this color)

    #39957E

    oklch(60.8% 0.094 173.7)

  7. Step 600

    600

    #12866E

    oklch(55.5% 0.102 173.7)

  8. Step 700

    700

    #00725C

    oklch(49.2% 0.094 173.1)

  9. Step 800

    800

    #085D4B

    oklch(42.8% 0.079 173.1)

  10. Step 900

    900

    #154C3F

    oklch(37.7% 0.061 174)

  11. Step 950

    950

    #0F2D25

    oklch(27.1% 0.039 173.2)

Export this scale for Tailwind in the Tailwind colors tool

#39957E with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#908C7D0.097
Deuteranopia (no green cones)#8382800.094
Tritanopia (no blue cones)#00978E0.027
Achromatopsia (no color)#8686860.095

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #39957E

    #39957E

    oklch(60.8% 0.094 173.7)

  • #AF6A87

    #AF6A87

    oklch(60.8% 0.095 353.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #39957E

    #39957E

    oklch(60.8% 0.094 173.7)

  • #5F915E

    #5F915E

    oklch(60.7% 0.093 143.9)

  • #26939C

    #26939C

    oklch(60.9% 0.094 203.3)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #39957E

    #39957E

    oklch(60.8% 0.094 173.7)

  • #9E6FA3

    #9E6FA3

    oklch(60.8% 0.094 323.3)

  • #B46B67

    #B46B67

    oklch(60.7% 0.094 23.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #39957E

    #39957E

    oklch(60.8% 0.094 173.7)

  • #8578B6

    #8578B6

    oklch(60.9% 0.093 293)

  • #AF734A

    #AF734A

    oklch(61% 0.094 54.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #39957E

    #39957E

    oklch(60.8% 0.094 173.7)

  • #6582BB

    #6582BB

    oklch(60.8% 0.093 263.2)

  • #AF6A87

    #AF6A87

    oklch(60.8% 0.095 353.6)

  • #9E7E3A

    #9E7E3A

    oklch(61% 0.095 84)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #39957E, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #39957E in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.